From: Raphael Poggi <poggi.raph@gmail.com>
To: barebox@lists.infradead.org
Cc: Raphael Poggi <poggi.raph@gmail.com>
Subject: [PATCH v5 12/14] arm: include: swab: use rigth assembly for armv8
Date: Mon, 4 Jul 2016 13:52:55 +0200 [thread overview]
Message-ID: <1467633177-22478-13-git-send-email-poggi.raph@gmail.com> (raw)
In-Reply-To: <1467633177-22478-1-git-send-email-poggi.raph@gmail.com>
Signed-off-by: Raphael Poggi <poggi.raph@gmail.com>
---
arch/arm/include/asm/swab.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h
index 9997ad2..3795437 100644
--- a/arch/arm/include/asm/swab.h
+++ b/arch/arm/include/asm/swab.h
@@ -33,7 +33,11 @@ static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
+#if __LINUX_ARM_ARCH__ == 8
+ __asm__ ("rev %w0, %w1" : "=r" (x) : "r" (x));
+#else
__asm__ ("rev %0, %1" : "=r" (x) : "r" (x));
+#endif
return x;
}
#define __arch_swab32 __arch_swab32
--
2.1.0
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next prev parent reply other threads:[~2016-07-04 11:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-04 11:52 [PATCH v5 0/14] Add basic support for arm64 Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 01/14] arm64: add armv8 Kconfig entries Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 02/14] arm: Makefile: rework makefile to handle armv8 Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 03/14] arm: rework lib directory to support arm64 Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 04/14] arm: cpu: add arm64 specific code Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 05/14] arm: include: system: add arm64 helper functions Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 06/14] arm: include: bitops: arm64 use generic __fls Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 07/14] arm: include: system_info: add armv8 identification Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 08/14] arm: cpu: cpuinfo: add armv8 support Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 09/14] arm: cpu: disable code portion in armv8 case Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 10/14] arm: cpu: add basic arm64 mmu support Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 11/14] arm: boards: add mach-qemu and virt64 board Raphael Poggi
2016-07-04 11:52 ` Raphael Poggi [this message]
2016-07-04 11:52 ` [PATCH v5 13/14] uimage: add define for ARM64 architecture Raphael Poggi
2016-07-04 11:52 ` [PATCH v5 14/14] Documentation: add aarch64-qemu-virt board doc Raphael Poggi
2016-07-06 8:37 ` [PATCH v5 0/14] Add basic support for arm64 Sascha Hauer
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